// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CC_PLAYBACK_DECODED_DRAW_IMAGE_H_
#define CC_PLAYBACK_DECODED_DRAW_IMAGE_H_

#include <cfloat>
#include <cmath>

#include "cc/base/cc_export.h"
#include "third_party/skia/include/core/SkFilterQuality.h"
#include "third_party/skia/include/core/SkImage.h"
#include "third_party/skia/include/core/SkRefCnt.h"
#include "third_party/skia/include/core/SkSize.h"

namespace cc {

class CC_EXPORT DecodedDrawImage {
public:
    DecodedDrawImage(sk_sp<const SkImage> image,
        const SkSize& src_rect_offset,
        const SkSize& scale_adjustment,
        SkFilterQuality filter_quality);
    DecodedDrawImage(sk_sp<const SkImage> image, SkFilterQuality filter_quality);
    DecodedDrawImage(const DecodedDrawImage& other);
    ~DecodedDrawImage();

    const sk_sp<const SkImage>& image() const { return image_; }
    const SkSize& src_rect_offset() const { return src_rect_offset_; }
    const SkSize& scale_adjustment() const { return scale_adjustment_; }
    SkFilterQuality filter_quality() const { return filter_quality_; }
    bool is_scale_adjustment_identity() const
    {
        return std::abs(scale_adjustment_.width() - 1.f) < FLT_EPSILON && std::abs(scale_adjustment_.height() - 1.f) < FLT_EPSILON;
    }

    void set_at_raster_decode(bool at_raster_decode)
    {
        at_raster_decode_ = at_raster_decode;
    }
    bool is_at_raster_decode() const { return at_raster_decode_; }

private:
    sk_sp<const SkImage> image_;
    const SkSize src_rect_offset_;
    const SkSize scale_adjustment_;
    const SkFilterQuality filter_quality_;
    bool at_raster_decode_;
};

} // namespace cc

#endif // CC_PLAYBACK_DECODED_DRAW_IMAGE_H_
